Amber Cabinet was given by Prussian king Friedrich Wilhelm I to his then ally, Tsar Peter I of Russia. Then it was expanded by Russian craftsmen, and by 1770, when the work was finished, the Room covered more than 55 square meters and contained over six tons of amber. It was looted during World War II by Nazi Germany, brought to Königsberg and lost in the chaos at the end of the war. In 1979-2003 Russian craftsmen again reconstructed the Amber Room in the Catherine Palace, while the location of the original one is still a mystery. 1770 Thunder Stone The largest stone ever moved by man, used a base for a statue. 1776 Orenburg shawl 1778 Russian samovar In 1778 the Lisitsyn brothers introduced their first samovar design, and the same year they registered the first samovar-making factory in Russia. 1780s 1784 Orlov Trotter by Alexei Grigoryevich Orlov 1790s Russian guitar by Andrei Sychra Valenki 1793 Screw drive elevator The screw drive elevator is an elevator that uses a screw drive system instead of a hoist, like it was in the earlier elevators. The invention of the screw drive was the most important step in elevator technology since ancient times, which finally led to the creation of modern passenger elevators. The first such elevator was invented by Ivan Kulibin and installed in the Winter Palace in 1793, while several years later another of Kulibin's elevators was installed in Arkhangelskoye near Moscow. In 1823, an "ascending room" made its debut in London. 1795 Fedoskino miniature / Russian lacquer art 1796 Peaked cap The peaked cap has been worn by Russian Army officers as a type of forage cap since 1796 by some regiments, and from 1811 by the most of the army. 19th century Kargopol toys Filimonovo toys Gorodets painting Rushnik is a ritual cloth embroidered with symbols and cryptograms of the ancient world. 1802 Modern powdered milk 1802 Continuous electric arc by Vasily Petrov 1805 Droshky any of various 2 or 4 wheeled, horse-drawn, public carriages (early taxicabs). 1810s 1811 Sailor cap 1812 Electric telegraph by Pavel Schilling 1812 Naval mine by Pavel Schilling 1814 Beehive frame by Petro Prokopovych 1820s 1820 Antarctica By Mikhail Lazarev & Fabian Gottlieb von Bellingshausen 1820s Russian Revival architecture is the generic term for a number of different movements within Russian architecture that arose in second quarter of the 19th century and was